1444010893 has 4 divisors (see below), whose sum is σ = 1555088668. Its totient is φ = 1332933120.

The previous prime is 1444010881. The next prime is 1444010921. The reversal of 1444010893 is 3980104441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 611226729 + 832784164 = 24723^2 + 28858^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444010893 - 2²¹ = 1441913741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444010873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55538868 + ... + 55538893.

It is an arithmetic number, because the mean of its divisors is an integer number (388772167).

Almost surely, 2^1444010893 is an apocalyptic number.

1444010893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1444010893 is a deficient number, since it is larger than the sum of its proper divisors (111077775).

1444010893 is a wasteful number, since it uses less digits than its factorization.

1444010893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111077774.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1444010893 is about 38000.1433286771. The cubic root of 1444010893 is about 1130.2907057423.

The spelling of 1444010893 in words is "one billion, four hundred forty-four million, ten thousand, eight hundred ninety-three".